Effect of Lignocaine on IL-6, IL-8, and MCP-1 in Peritoneal Macrophages and Endometriotic Stromal Cells

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Lignocaine reduced IL-8 gene expression and secretion in endometriotic stromal cells, and it decreased all tested cytokine gene expression in macrophages from healthy controls.

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This experimental in vitro study used peritoneal fluid macrophages from 13 women (8 with endometriosis and 5 healthy controls) and stromal cells from endometriotic cyst capsules (n=7) to test lignocaine’s effects on IL-6, IL-8, and MCP-1 gene expression (qPCR) and protein secretion (ELISA) after 24–48 hours at 0.1 or 1.0 mg/mL. Lignocaine at 0.1 mg/mL significantly decreased IL-8 gene expression and secretion in endometriotic stromal cells after 24 hours, while macrophages from healthy controls showed decreased cytokine gene expression without significant changes in protein levels. In macrophages from women with endometriosis, responses were heterogeneous, with some samples showing increased IL-6, IL-8, and/or MCP-1 gene expression and no consistent pattern. The paper relates to endometriosis through its direct testing of lignocaine effects on cytokine production in endometriotic stromal cells and peritoneal macrophages.

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Abstract

Objective The objective was to evaluate the effect of lignocaine on cytokine expression and secretion in vitro in peritoneal fluid macrophages and endometriotic stromal cells. Design Experimental in vitro study on human cells. Population and Sample Peritoneal fluid (n = 10) and samples from endometriotic cysts (n = 7) were collected from 13 women (women with endometriosis n = 8, and healthy controls n = 5) during surgery for clinical reasons.

Methods

Macrophages from the peritoneal fluid and cells from the inside of the endometriotic cysts capsules were isolated and cultivated for 24 to 48 hours in medium with and without the supplement of lignocaine 0.1 or 1.0 mg/mL. Relative gene expression of monocyte chemotactic protein 1 (MCP-1), interleukin 6 (IL-6), and IL-8 was evaluated with quantitative polymerase chain reaction and compared between treated and untreated cells with Wilcoxon matched pairs. The concentrations of MCP-1, IL-6, and IL-8 were measured using enzyme-linked immunosorbent assay and were compared between treated and untreated cells with Wilcoxon matched pairs.

Results

The gene expression and protein secretion of IL-8 in endometriotic stromal cells after incubation with lignocaine 0.1 mg/mL were significantly decreased after 24 hours compared to the controls (P =.028 and P =.018). Macrophages from healthy controls had a significant lower gene expression of all tested cytokines (P =.043) after treatment with lignocaine, but there were no significant differences in protein level. Macrophages from women with endometriosis showed diverging results since 3 of 5 samples showed increased gene expression of 1 (n = 2) or 2 cytokines (n = 1) after lignocaine treatment.

Conclusion

Lignocaine can affect the gene expression and secretion of some proinflammatory cytokines in vitro. Similar content being viewed by others

References

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Reprod Toxicol. 2010;30(3):370–376. Author information Authors and Affiliations Corresponding author Rights and permissions About this article Cite this article Wickström, K., Stavréus-Evers, A., Vercauteren, O. et al. Effect of Lignocaine on IL-6, IL-8, and MCP-1 in Peritoneal Macrophages and Endometriotic Stromal Cells. Reprod. Sci. 24, 382–392 (2017). https://doi.org/10.1177/1933719116657188 Published: Issue date: DOI: https://doi.org/10.1177/1933719116657188

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Condition tags

endometriosis

MeSH descriptors

Anesthetics, Local Chemokine CCL2 Endometrium Interleukin-6 Interleukin-8 Lidocaine Macrophages, Peritoneal Stromal Cells Adult Anesthetics, Local Ascitic Fluid Ascitic Fluid Ascitic Fluid Cells, Cultured Chemokine CCL2 Endometriosis Endometriosis Endometrium Endometrium Endometrium

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